<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>EL挂载点</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
<div id="app" class="app">
    {{message}}
    <span>{{message}}</span>
</div>
<script>
    var app = new Vue({
        //EL挂载点可以选择id选择器，类选择器或者标签选择器
        // el: "#app",
        //el: ".app",
        el: "div",
        data: {
            message: "AnonyEast"
        }
    });
</script>
</body>
</html>